VEVOR Double Reflective Insulation Roll, Foam Core Radiant Barrier, 3.2 mm 48 in x 100 ft, Double-Sided Aluminum Foil EPE Foam Heat Reflective Shield, Thermal Insulation Roll for Window RV Roof Superior Thermal Insulation Exceptional Durability Easy Installation Tips Versatile Application Multiple Size Options High-Quality Materials Thickness: 1/8 in / 3.2 mm,Length: 100 ft / 30480 mm,Color: Silver,Item Model Number: EPE7-3,Width: 48 in / 1220 mm,Net Weight: 8.38 lbs / 3.8 kg,Heat Reflectivity: ≥95%